package com.lin.baby.boot.chapter1.service;

/**
 * Hello word
 *
 * @author WangYang
 * @version 1.0
 * @datetime 2016/10/13 16:32
 */
public interface HelloService {

    /**
     * hello
     *
     * @param word
     * @return
     */
    String sayHello(String word);

}
